<template>
    <div class="icons">
      <swiper :options="swiperOption" v-if="showIcons">
        <swiper-slide v-for="(page, index) in pages" :key="index">
          <div
           class="icon"
           v-for="item in page"
           :key="item.id"
           >
            <div class="icon-img">
              <img class="icon-img-content" :src="item.imgUrl" alt="">
            </div>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'Icons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        loop: true,
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    },
    showIcons () {
      return this.iconList.length
    }
  },
  methods: {}
}
</script>

<style scoped lang="stylus">
@import "~styles/variable.styl"
@import "~styles/mixins.styl"
/deep/ .swiper-container{
  width: 100%
  height: 0
  overflow: hidden
  padding-bottom: 50%
}
.icons
  margin-top: .1rem
  .icon
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        height: 100%
        display: block
        margin: 0 auto
    .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        color: $darkTextColor
        ellipsis()
</style>
